Sanding STS-750RC Series, Руководство пользователя

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view.
3. Adjust the leveling screws so that the center mark of the optical plummet
coincides with the intersection point of the cross on the paper.
4. Rotate the instrument around the vertical axis, and observe whether the center
mark position coincides with the intersection point of the cross at every 90°.
5. If the center mark always coincides with intersection point, no adjustment is
necessary. Otherwise, the following adjustment is required.
Adjust
1. Take off the protective cover between the optical plummet eyepiece and
focusing knob.
2. Fix the paper. Rotate the instrument and mark the point of the center of optical
plummet which falls on the paper at every 90

. As illustrated: Point A, B, C, and
D.
3. Draw lines that attach AC and BD and mark the intersection point of the two
lines as O.
4. Adjust the four adjusting screws of the optical plummet with an adjusting pin
until the center mark coincides with Point O.
5. Repeat the inspection and adjusting steps to make the instrument meets the
requirements.
6. Replace the protective cover.
10.9 INSTRUMENT CONSTANT (K)
Instrument constant has been checked up and adjusted in the factory, K=0. It
seldom changes and it is suggested to check one or two times every year. The
inspection should be made on the base line, also can be made according to the
following method.
Check
1. Mount and level the instrument on Point A at a plain field. Use the vertical hair
to mark Point B and Point C with the distance of 50m on the same line, and set
the reflector accurately.
2. After setting temperature and air pressure, measure the horizontal distance of
AB and AC accurately.